Re: 回复: 回复: 回复: KVM Support?

Eddie James eajames at linux.vnet.ibm.com
Sat Aug 11 01:00:43 AEST 2018



On 08/10/2018 06:14 AM, xiuzhi wrote:
> Hi Eddie,
>    I tested the new update source of video-dev on AST2400 and AST2500. 
> It works on AST2500.
>  On AST2400,the vncviewer can connect vncserver  sucessful, but its 
> window was blank,  not shown any information of the host screen .
> Would you like to give me some advice or instruments on how to   
>  debug this issue?

Hi,

You could try enabling the debug tracing, if dynamic debug is enabled on 
your kernel. (CONFIG_DYNAMIC_DEBUG)

echo file aspeed-video.c +p > /sys/kernel/debug/dynamic_debug/control

That should print every register access, as well as some other info.

Thanks,
Eddie

> Hi,
>
> There are some differences with the video engine between the AST2400 and
> AST2500 that I haven't addressed yet, so probably the driver is not
> working correctly on the AST2400 yet. Some registers have different bit
> mapping, and things like that. Sorry about that... thanks for trying it
> out! I'll look at the changes needed for AST2400 next.
>
> Thanks,
>
> Eddie
>
>
> On 08/01/2018 03:47 AM, xiuzhi wrote:
> > Hi Eddie,
> >   Now It works, but the vncviewer can not connect the BMC server
> > successful.
> > When I use vncviewer connect to the BMC the error read:
> > "RFB protocol error: bad desktop size 0x1"
> > "RFB protocol error: unknow rect encoding 7"
> > The information on BMC are :
> > root at zhaoxinc:~# obmc-ikvm -v /dev/video0 -i /dev/hidg0
> > frame buffer size: 3145728
> > 19/07/2018 08:20:57 Listening for VNC connections on TCP port 5900
> > 19/07/2018 08:20:57 Listening for VNC connections on TCP6 port 5900
> >
> > 19/07/2018 08:52:08 Got connection from client 192.168.120.58
> > 19/07/2018 08:52:08   other clients:
> > 19/07/2018 08:52:08 Normal socket connection
> > 19/07/2018 08:52:08 Client Protocol Version 3.8
> > 19/07/2018 08:52:08 Protocol version sent 3.8, using 3.8
> > 19/07/2018 08:52:08 rfbProcessClientSecurityType: executing handler
> > for type 1
> > 19/07/2018 08:52:08 rfbProcessClientSecurityType: returning
> > securityResult for client rfb version >= 3.8
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000018)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000016)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000015)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x0000000F)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0xFFFFFEC6)
> > 19/07/2018 08:52:08 Enabling full-color cursor updates for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Enabling NewFBSize protocol extension for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Using ZRLE encoding for client 192.168.120.58
> > 19/07/2018 08:52:08 Pixel format for client 192.168.120.58:
> > 19/07/2018 08:52:08   8 bpp, depth 6
> > 19/07/2018 08:52:08   true colour: max r 3 g 3 b 3, shift r 4 g 2 b 0
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000018)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000016)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000015)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x0000000F)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0xFFFFFEC6)
> > 19/07/2018 08:52:08 Enabling full-color cursor updates for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Enabling NewFBSize protocol extension for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Switching from ZRLE to raw Encoding for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000018)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000016)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x00000015)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0x0000000F)
> > 19/07/2018 08:52:08 rfbProcessClientNormalMessage: ignoring
> > unsupported encoding type Enc(0xFFFFFEC6)
> > 19/07/2018 08:52:08 Enabling full-color cursor updates for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Enabling NewFBSize protocol extension for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Switching from raw to ZRLE Encoding for client
> > 192.168.120.58
> > 19/07/2018 08:52:08 Pixel format for client 192.168.120.58:
> > 19/07/2018 08:52:08   32 bpp, depth 24, little endian
> > 19/07/2018 08:52:08   true colour: max r 255 g 255 b 255, shift r 16 g
> > 8 b 0
> > [ 6928.751385] aspeed-video 1e700000.video: disabling comp ready irq,
> > seq_ctrl[000500a8]
> > 19/07/2018 08:52:09 rfbProcessClientNormalMessage: read: Connection
> > reset by peer
> > 19/07/2018 08:52:09 Client 192.168.120.58 gone
> > 19/07/2018 08:52:09 Statistics             events Transmit/
> > RawEquiv ( saved)
> > 19/07/2018 08:52:09  FramebufferUpdate   :      3 | 0/        0 (  0.0%)
> > 19/07/2018 08:52:09  tight               :      1 | 30991/ 3145740
> > ( 99.0%)
> > 19/07/2018 08:52:09  raw                 :      1 | 16396/ 16396
> > (  0.0%)
> > 19/07/2018 08:52:09  ZRLE                :      2 | 62/ 3932160
> > (100.0%)
> > 19/07/2018 08:52:09  RichCursor          :      3 | 429/      429 (  
> 0.0%)
> > 19/07/2018 08:52:09  TOTALS              :     10 | 47878/ 7094725
> > ( 99.3%)
> > 19/07/2018 08:52:09 Statistics             events Received/
> > RawEquiv ( saved)
> > 19/07/2018 08:52:09  FramebufferUpdate   :      4 | 40/       40 (  
> 0.0%)
> > 19/07/2018 08:52:09  SetPixelFormat      :      2 | 40/       40 (  
> 0.0%)
> > 19/07/2018 08:52:09  SetEncodings        :      3 | 168/      168 (  
> 0.0%)
> > 19/07/2018 08:52:09  TOTALS              :      9 | 248/      248 (  
> 0.0%)
> >
> > What wrong with it?
> > BTW, vncview download from
> > https://www.realvnc.com/en/connect/download/viewer/linux/
> > I also got the same error using Tightvnc viewer
> > Thanks,
> > xiuzhi
> > Hi Eddie,
> >    My bmc is AST2400, I modified the aspeed-g4.dtsi(adding gfx:
> > display at 1e6e6000  and  video: video at 1e700000)
> >  and the aspeed-bmc-opp-xxx.dts (adding &video &vhub) .
> > An error occured when I executed the following instructions:
> >
> > root at zhaoxinc:~# create_usbhid.sh
> > root at zhaoxinc:~# obmc-ikvm -v /dev/video0 -i /dev/hidg0
> > [  125.586061] aspeed-video 1e700000.video: timed out on 1st mode detect
> > [  125.602732] aspeed-video 1e700000.video: Failed to start video engine
> > failed to open /dev/video0: 62 Timer expired
> > Need I modify drivers/media/platform/aspeed-video.c or any other files?
> >
> >  Thanks ,
> > Xiuzhi
> > On 07/31/2018 01:52 AM, xiuzhi wrote:
> > > Hi Alexander ,Eddie,
> > >   I merged the source from
> > > https://gerrit.openbmc-project.xyz/#/c/openbmc/openbmc/+/11500/,and
> > > kernel branch video-dev.
> > > How to test the video kvm feature by phosphor-webui or command line?
> >
> > Hi,
> >
> > You need to make sure the video device is enabled in your device-tree
> > for the machine you use... My kernel patch enabled it for our AST2500
> > witherspoon system. If you're using AST2500 as well, then you just need
> > something like:
> >
> > &video {
> >      status = "okay";
> >      memory-region = <&gfx_memory>;
> > };
> >
> > And the virtual USB hub:
> > &vhub {
> >      status = "okay";
> > };
> >
> > If you're not using AST2500, you'll need more changes to device-tree.
> >
> > Then on the BMC command line:
> > create_usbhid.sh
> > obmc-ikvm -v /dev/video0 -i /dev/hidg0
> > And connect with any VNC client to port 0 of your BMC IP.
> >
> > Thanks,
> > Eddie
> >
> > > Best,
> > > xiuzhi
> > >
> > >
> > > ------------------ 原始邮件 ------------------
> > > *发件人:* "Alexander A. Filippov"<a.filippov at yadro.com>;
> > > *发送时间:* 2018年7月25日(星期三) 下午4:56
> > > *收件人:*
> > "openbmc"<openbmc at lists.ozlabs.org>;"xiuzhi"<1450335857 at qq.com>;
> > > *主题:* Re: KVM Support?
> > >
> > > Hello everybody,
> > >
> > > Could you check the size of
> > >
> > 
> `build/tmp/deploy/image/<platformname>/fitImage-openbmc-phosphor-initramfs-*.bin`?
> > > If it exceeds 4456448 (0x440000) bytes, this is the problem described
> > > at https://github.com/openbmc/openbmc/issues/3314
> > >
> > >
> > > In this case you should modify flash partitions layout or trying to
> > > decrease kernel size.
> > >
> > > --
> > > Alexander
> > >
> > > On Wed, Jul 25, 2018 at 03:48:04PM +0800, xiuzhi wrote:
> > > > Hi Eddie,
> > > >
> > > >
> > > >   I read your KVM Support email on mailinglist.
> > > >
> > > >
> > > > I am going to port the BMC kvm to ast2400 . The u-boot can not load
> > > kernel ,the error message read:
> > > >
> > > >
> > > > ""U-Boot 2016.07 (Jul 23 2018 - 11:11:50 +0000)
> > > >
> > > >
> > > > DRAM:  240 MiB
> > > > WARNING: Caches not enabled
> > > > Flash: 32 MiB
> > > > *** Warning - bad CRC, using default environment
> > > >
> > > >
> > > > In:    serial
> > > > Out:   serial
> > > > Err:   serial
> > > > Net:   aspeednic#0
> > > > Error: aspeednic#0 address not set.
> > > >
> > > >
> > > > Hit any key to stop autoboot:  0
> > > > ## Loading kernel from FIT Image at 20080000 ...
> > > > Bad FIT kernel image format!
> > > > ERROR: can't get kernel image!
> > > > ast#
> > > >
> > > >
> > > > I added  config options to defconfig of ast2400 as follows:
> > > >
> > > >
> > > > CONFIG_MEDIA_SUPPORT=y
> > > > CONFIG_MEDIA_CAMERA_SUPPORT=y
> > > > CONFIG_MEDIA_SUPPORT=y
> > > > CONFIG_MEDIA_CAMERA_SUPPORT=y
> > > > # CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
> > > > # CONFIG_MEDIA_DIGITAL_TV_SUPPORT is not set
> > > > # CONFIG_MEDIA_RADIO_SUPPORT is not set
> > > > # CONFIG_MEDIA_SDR_SUPPORT is not set
> > > > # CONFIG_MEDIA_CEC_SUPPORT is not set
> > > > # CONFIG_MEDIA_CONTROLLER is not set
> > > > CONFIG_RATIONAL=y
> > > > CONFIG_VIDEO_DEV=y
> > > > CONFIG_VIDEO_V4L2=y
> > > > CONFIG_V4L_PLATFORM_DRIVERS=y
> > > > CONFIG_VIDEO_ASPEED=y
> > > > CONFIG_MEDIA_SUBDRV_AUTOSELECT=y
> > > >
> > > >
> > > > Need I modify the aspeed-bmc-opp-palmetto.dts and aspeed-g4.dtsi?
> > > >
> > > >
> > > > Can you give me the file list need to modify?
> > > >
> > > >
> > > > Thanks,
> > > >
> > > >
> > > > xiuzhi



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